NEC Lt158 Lcd Projector Users Manual

							E – 27
Source display
Each time the Source button is pressed, the input source will change
as follows:
→ RGB [“DVI (DIGITAL) →  DVI (ANALOG)” on LT158] → Video 
PC Card Viewer ← S-Video ←
If no input signal is present, the input will be skipped.Press the Auto Adjust button to fine-tune the computer image or to
remove any vertical banding that might appear and to reduce video
noise, dot interference or cross talk (this is evident when part of your
image appears to be shimmering). This function adjusts the clock fre-
quencies that eliminate the horizontal banding in the image. This func-
tion also adjusts the clock phase to reduce video noise, dot interfer-
ence or cross talk. (This is evident when part of your image appears to
be shimmering.)
This adjustment may be necessary when you connect your computer
for the first time.
NOTE: The Auto Adjust function does not work for component signal.
Basic OperationSelecting the computer or video source:
Optimizing RGB image automatically
Press the Auto Adjust button to optimize an RGB image automatically.
SOURCE
AUTO
ADJUST
SOURCE
AUTO
ADJUST
MENU
OFF
VIDEO
AUTO ADJ.
S-VIDEO RGB1 RGB2
LASERON
SC
POWER
VIDEO S-VIDEO RGB1RGB2
PC CARD
On LT158:
Press the RGB 1 button on the remote control to select DVI digital
signal and the RGB 2 button for DVI analog signal. 
						

							E – 28
Volume control:
Sound level from the speaker on the projector can be adjusted.
increase volume
VOLUME
Volume bar
decrease volume
Turning off picture and sound:
Press the Picture Mute button to turn off the image and sound for a
shor t period of time. Press again to restore the image and sound.
PIC-MUTE
Getting Help about how to operate the projector:
You get the contents about Help.
Display Help
SELECT
Exit Help
Using Pointer
You can use one of eight pointers to draw your audience's attention to
the portion of a projected image you want.
Press the Pointer button to
display the pointer.
SELECT
Use the Select button to
move the pointer.
Enlarging and Moving a Picture
You can enlarge the area you want up to 400 percent.
To do so:
1. Press the Pointer button to display the pointer.
SELECT
2. Move the pointer to the area you want to enlarge.
3. Enlarge the selected area.
When the Magnify (+) button is pressed, the pointer is changed to
a magnifying glass. To move the magnifying glass, use the Seltct
button.
MAGNIFY
HELP
POINTER
POINTER 
						

							E – 29
4. Return the image to the original size.
Correcting Keystone distortion
Press (+) or (-) to correct keystone (trapezoidal) distortion to make the
top or bottom of the screen longer or shorter so that the projected
image is rectangular.
KEYSTONE
NOTE: The maximum keystone angle that can be corrected is 40 degrees up-
ward and 20 degrees downward with the projector placed horizontally on the
ground plane.
Depending on the type of graphics being used, the picture may get blurred or
keystone correction may not be possible when excessive keystone correction
is used.
The idea is, the closer you are to native resolution, the better image you will
see.
Freezing a picture
Press the Freeze button to freeze a picture. Press again to resume
motion.Keystone distortion Normal
MAGNIFY
FREEZE
Using the Menus
NOTE: The on-screen menu may not be displayed correctly while interlacedmotion video image is projected.
1. Press the “Menu” button on the remote control or projector cabi-
net to display the Main Menu.
NOTE: When using a USB mouse, click the mouse button to display the
main menu. For other operations, do the same way as you use your PC
mouse.
2. Press the 
 buttons on the remote control or the projector cabi-
net to highlight the menu for the item you want to adjust or set.
3. Press the 
 button or the “Enter” button on the projector cabinet
or the “Left Click” button on the remote control to select a submenu
or item.
4. Adjust the level or turn the selected item on or off by using “Se-
lect” 
 or  buttons on the cabinet, or the “Mouse button” on the
remote control. The on-screen slide bar will show you the amount
of increase or decrease.
5. Changes are stored until you adjust it again.
ENTER ......... Stores the setting or adjustments.CANCEL ..........Return to the previous screen without storing settings or ad-
justments.
NOTE: You can close the main and sub menus simultaneously by pressingthe PJ button to cancel the Projector mode.
6. Repeat steps 2-5 to adjust an additional item, or press “Cancel”
on the projector cabinet or the remote control to quit the menu
display.
Customizing Basic/Custom Menu
The Basic/Custom menu can be customized to meet your requirements.
Selecting a menu item from the “Basic/Custom Menu Edit” list, allows
you to custom tailor the menu items to your needs.
1. Select “Basic/Custom Menu Edit” to display the “Basic/Custom
Menu Edit” screen. 
						

							E – 30
2. Use the 
 or  button to highlight your selection and press the
Enter button to place a check mark next to an option. This action
enables that feature.
Press the Enter button again to clear the check box.
If you select an item with a solid triangle  and press the Enter
button on the remote control or the projector cabinet, you can
enable all the items within that submenu.
Also you can turn on an item within the submenu without placing
a check mark on the main menu item.
NOTE: Up to 12 main menu items (within Basic/Custom Menu Edit, notincluding submenu items) can be selected.
3. In order for the changes to take effect, use the  or  button on
the remote control or the projector cabinet to highlight “OK”,
then press the Enter button. To cancel the changes, use the 
 or
 buttons to highlight “Cancel” and press the “Enter” button.
To return to the factory default, select “Reset” then press the “En-
ter” button.
The default Basic/Custom Menu items are:
Source Select (RGB [DVI (DIGITAL) / DVI (ANALOG) on LT158],
Video, S-Video and PC Card Viewer), Picture, Volume, Image Op-
tions (Keystone), Projector Options (Menu and Setup), Tools (Cap-
ture, PC Card Files and ChalkBoard) and Help (Contents and Infor-
mation)
NOTE: Once you have selected OK on the Basic/Custom Menu Edit screen, you
cannot cancel the changes on the Menu screen. However, you can re-edit the
menu items over again as described in the steps above.
NOTE: If the “Advanced Menu” item has been selected on the Menu mode, you
get the “Confirmation Change Menu” upon completion of “Basic/Custom Menu”
editing. In this case, selecting “Ye s” then “Enter” will close all the menus and
apply the changes from the Advanced menu to the Basic/Custom Menu. If you
select “No” then “Enter” functions, then all menu items will return to the Ad-
vanced menu, but your changes will still be available within the “Basic/Custom
Menu” selection. To display the previously tailored Basic/Custom Menu, select
“Basic/Custom Menu” from the “Menu Mode”.
An item “To Advanced Menu” will be added to the bottom of the Basic/
Custom Menu.
Selecting this item and pressing the “Enter” button will display the “Ad-
vanced Menu” features.
Using a USB Mouse
Using  a  USB  mouse gives you a smooth operation. A commercially
available USB mouse is required.
NOTE: There may be some brands of USB mouse that the projector does notsupport.
Operate the Menus using the USB mouse:
Mouse Cursor:
When connecting a USB mouse to the projector, you get a mouse
cursor on the screen.
Unless you use your USB mouse within 10 seconds, the mouse
cursor disappears.
Menu Display:
Clicking with a mouse button displays the main menu.
Clicking 
 displays the pull-down menu.
To close the menu, click anywhere in the background.
Adjusting and Setting Display:
You can select a menu item and click with a mouse button to make
adjustments and setting.
Examples:
Click (or press and hold) the mouse button 
 or  to adjust the
brightness.
Or click and drag the mouse button on the slide bar horizontally to
adjust it.
To save the adjustments, click 
. The display is closed.
If you click anywhere in the background while displaying adjust-
ment and setting menu or dialog box, you will get the main menu at
the clicking point. 
						

							E – 31
Menu Tree
Advanced Menu
Source Select RGB*1Picture Video
Volume S-Video Brightness/Contrast/Color/Hue/Sharpness
Image Options
Color ManagementPC Card Viewer
Projector OptionsVolume
Tools
HelpKeystone Normal/Eco
Lamp Mode
Aspect Ratio Normal/Zoom/Wide Zoom/Cinema
Advanced Options
Noise Reduction Off/Low/Medium/High
Factory Default
Position/Clock Horizontal/Vertical/Clock/Phase
Resolution Auto/Native
Video Filter On / Off
All Data/Current Signal
Menu Menu Mode(Advanced Menu, Basic/Custom Menu)
Setup
White Balance Gamma Correction
Color Matrix
Basic/Custom Menu Edit
Language (English/German/French/Italian/Spanish/Swedish/Japanese)
Projector Pointer (Pointer 1-8)
Menu Display Time (Manual/Auto 5 sec/Auto 15 sec/Auto 45 sec)
Message Source Display (On/Off)
Direct Button  Volume Bar (On/Off)
                   Keystone Bar (On/Off)                    No input (On/Off)
                   Clean Filter (On/Off) Page 1 
             Background (Blue/Black/Logo)
             Mouse  Button(Right Hand/Left Hand)
                       Sensitivity(Fast/Medium/Slow) Page 2 
Page 1  Orientation (Desktop Front/Ceiling Rear/Desktop Rear/Ceiling Front)
             Cinema Position (Top/Center/Bottom)
Page 2  PC Card Viewer Options  Show Folder List
                                                (Auto Play/Manual Play)
                                               Interval (5-300 sec)
            Capture Options (High Quality/Normal/High Compression)
Page 3  Signal Select  RGB*
2 (Auto/RGB/Component)
                      Video (Auto/NTSC3.58/NTSC4.43/PAL/PAL-M*3/PAL-N*3/PAL60/SECAM)
                      S-Video (Auto/NTSC3.58/NTSC4.43/PAL/PAL-M*3/PAL-N*3/PAL60/SECAM)
Page 4  Auto Adjust (RGB Only)  
            Auto Start  
            Power Management  
            Power Off Confirmation  
            Keystone Save 
            Clear Filter Usage             Clear Lamp Hour Meter
CapturePage 5  Communication Speed(4800/9600/19200/38400)
PC Card Files            Default Source Select(Last/Auto/Select)
ChalkBoard             Control Panel Key Lock (Enable/Disable)                                           (RGB*
4/Video/S-Video/PC Card Viewer)
Contents Contents
Information Page1 
Source Name/Input Terminal/Horizontal Frequency/Vertical Frequency/Sync PolarityPage2 Signal Type/Video Type/Sync Type/Interlace/Resolution
Page3 Aspect Ratio/Gamma Correction/Noise Reduction/Color Matrix/Matrix Type
Page4 Remaining Lamp Time/Lamp Hour Meter/Filter Usage/Projector Usage
Select Color Matrix  HDTV/SDTV Normal/Natural 1/Natural 2
Select Color Matrix Type  B-Y/R-Y,Cb/Cr,Pb/Pr
Brightness R/G/B, Contrast R/G/B
NOTE:
1) When menu items are not available, they are indicated in white.
2)For LT158: When DVI (DIGITAL) is selected, making any adjustment executes the Auto Adjust feature. The AUTO ADJUST
button on the remote control is also available. You can adjust the horizontal and the vertical position for DVI digital signal but
cannot save those adjustments.
NOTE:
*1 On LT158, DVI (DIGITAL) and DVI (ANALOG) are displayed in the Source Select submenu.
*2 On LT158, DVI (ANALOG) is displayed in the Signal Select on Page 3.
*3 LT158 Only.
*4 On LT158, DVI (DIGITAL) and DVI (ANALOG) can be also selected. 
						

							E – 32 Menu windows or dialog boxes typically have the following elements:
Title bar: Indicates the menu title.
Highlight: Indicates the selected menu or item.
Solid triangle: Indicates further choices are available. A highlighted triangle indicates the item is active.
Tab: Indicates a group of features in a dialog box. Selecting on any tab brings its page to the front.
Radio button: Use this round button to select an option in a dialog box.
Check box: Place a checkmark in the square box to turn the option On.
Slide bar: Indicates settings or the direction of adjustment.
OK button: Press to confirm your setting. You will return to the previous menu.
Cancel button: Press to cancel your setting. You will return to the previous menu.
Close button: Click to close the window with saving changes. (USB mouse only)
Help button: Indicates that help about that feature is available (USB mouse only). Press the Help button on the remote control to display help.
Toolbar: Contains several icons for specific tasks. It is also referred to as "launcher".
Drag: Point the mouse here, and click and drag to move a toolbar.
Menu Elements
Title barTa b
HighlightHelp Button
Close Button
OK Button
Cancel Button
Solid triangle
Radio button
Slide bar
Check box
Drag
Tool bar 
						

							E – 33
The launcher is a tool bar including the following buttons:
Drag ............. Drags to move the tool bar. (for USB mouse operation only)
Prev ............. Returns to the previous slide or folder.
Next ............. Advances to the next slide or folder.
Play .............. Plays back automatically or manually depending on the set-
ting on PC Card Viewer Options of the menu. This allows you
to move on to the next slide when Manual Play is selected.
Stop ............. Stops Auto Play while you are playing back and to resume
playing from the selected slide or folder when Auto Play is
selected.
Jump ........... Displays a list of slides while you are playing back.
Select ........... Displays a list of folders while you are playing back.
Setup ........... Displays the PC Card Viewer Options dialog box on Page 2 of
the Setup dialog box.
Delete ........... Deletes a captured slide(s) or all the captured slides in the
selected folder.
View ............. Hides the tool bar while you are playing back. Clicking with
the right button of a mouse shows it again.
Picture
Menu Descriptions & Functions
Source Select
Enables you to select a video source such as a VCR, DVD player, laser
disc player, computer or document camera depending on what is con-
nected to your inputs.
Press the "Select" button on the projector cabinet or 
 buttons on your
remote control to highlight the menu for the item you want to adjust.
RGB (DVI on LT158 only)
Selects the computer connected to your RGB, DVI-digital, DVI-analog
or component signal.
NOTE: An optional component cable (Component V or ADP-CV1 cable) is neededfor a component signal.
Video
Selects what is connected to your Video input-VCR, laser disc player,
DVD player or document camera.
S-Video
Selects what is connected to your S-Video input-VCR, DVD player, or
laser disc player.
NOTE: A frame may freeze for a brief period of time when a video is played backin fast-forward or fast-rewind with a Video or S-Video source.
PC Card ViewerThis feature enables you to make presentations using a CompactFlash card
that contains captured images and slides created with the exclusive PC Card
Viewer Utility contained in the CD-ROM. See page E-42 for installing the PC
Card Viewer Utility. The starting screen for the PC Card Viewer varies depend-
ing on the settings of the Setup's Page 2. See Setup on page E-37.
NOTE: Even if you switch the current PC Card Viewer source to another source,
the current slide is retained. When you return back to the PC Card Viewer, you
will get the slide that has been retained. A launcher will appear when you press
the MENU button.
A press of the MENU button displays the toolbar; a press of the MENU
button again displays the Menu and hereafter each press of the MENU
button switches displaying between the Menu and the toolbar.Provides access to controls for your image. Use 
 buttons on the
projector cabinet or the remote control to highlight the menu for the
item you want to adjust.
Brightness ... Adjusts the brightness level or the back raster intensity.
Contrast ....... Adjusts the intensity of the image according to the incoming
signal. (not valid for DVI digital on LT158)
Color ............ Increases or decreases the color saturation level (not valid
for RGB).
Hue .............. Varies the color level from +/- green to +/-blue. The red level
is used as reference. This adjustment is only valid for Video
and Component inputs (not valid for RGB).
Sharpness .... Controls the detail of the image for Video (Not valid for RGB
and Component).
Volume
Adjusts the sound level of the projector.
NOTE: You can also display the volume bar without opening the menu. SeeVolume Bar (Direct Button)on page E-36 for more details.
DragPrev Play Jump Setup View
Next Stop Select Delete 
						

							E – 34
Position/ Clock (when Auto Adjust is off)
This allows you to manually adjust the image horizontally and verti-
cally, and adjust Clock and Phase.
Image Options
Keystone
This feature corrects the keystone (trapezoidal) distortion to make
the top of the screen longer or shorter to be the same as the bottom.
Use the 
 or  buttons on the slide bar to correct the keystone
(trapezoidal) distortion.
Keystone distortion Normal
NOTE: The maximum keystone angle that can be corrected is 40 degrees up-
ward and 20 degrees downward with the projector placed horizontally on the
ground plane.
Depending on the type of graphics being used, the picture may get
blurred or keystone correction may not be possible when excessive
keystone correction is used.
The idea is, the closer you are to native resolution, the better image
you will see.
Lamp Mode
Aspect Ratio allows you to select the best Aspect mode to display your
source image.
When 4:3 is selected from the source (i.e. DVD player), the following
selections will display:
Standard
4:3 AspectAll 4 sides
stretchedLeft and right
stretchedLeft and right
stretched
16:9 image
displayed
 in 4:3 modeAll 4 sides
stretched Normal Zoom Wide Zoom Cinema
Normal Zoom Wide Zoom Cinema
Left and right
stretchedLeft and right
stretched to
display the true
aspect
When 16:9 is selected from the source (i.e. DVD player), the following
selections will display:
This feature enables you to select two brightness modes of the lamp:
Normal and Eco modes. The lamp life can be extended up to 2000
hours by using the Eco mode.
Normal Mode .............. This is the default setting.
Eco Mode .................... Select this mode to increase the lamp life.
NOTE: If you have selected the Eco mode, the lamp lights in Normal mode for
one minute after the projector is turned on. After one minute the lamp will
change to Eco mode.
Aspect Ratio
Noise Reduction
You can select three levels of video noise reduction.
NOTE: The lower the Noise Reduction level, the better the image quality by wayof higher video bandwidth. 
						

							E – 35
This function reduces video noise.
On ................ The low-pass filter is applied.
Off ................ The filter is removed.
Screen adjustments are possible even when the filter is On.
Factory Default
Changes all adjustments and setting to the factory preset for each source
individually except Remaining Lamp Time, Lamp Hour Meter, Filter Us-
age, Projector Usage, Language and Communication Speed. (To reset
the lamp usage time, see "Clear Lamp Hour Meter" on page E-38.)
Gamma Correction
Use the  or  button to choose "Normal" when in a lighted room and
"Natural 1&2" when in a darkened room. "Natural 1" for better flesh
tone; "Natural 2" for true reproduction of middle tones.
Each mode is recommended for :
Normal ......... For the regular picture
Natural 1 ...... For true color reproduction of natural tones
Natural 2 ...... For dark portions of a picture
Color Matrix
First select an appropriate color matrix to fit your component signal for HDTV
or SDTV. Then select an appropriate matrix type from B-Y/R-Y, Cb/Cr or Pb/Pr.
White Balance
This allows you to activate or deactivate the Advanced AccuBlend feature.
Auto ............. Turns on the Advanced AccuBlend feature. The projector au-
tomatically reduces or enlarges the current image to fit the
full screen.
Native ........... Turns off the Advanced AccuBlend feature. The projector dis-
plays the current image in its true resolution.
See "Auto Adjust (RGB Only) on page E-38 for turning on or off the
Auto Adjust feature.
NOTE: While you are displaying an image with higher resolution than the
projectors native resolution, even when you are in the Native mode, the image
is displayed full screen using the Advanced AccuBlend feature.
Video Filter (when Auto Adjust is off)Horizontal/Vertical Position
.................... Adjusts the image location horizontally and vertically using
the 
 and  buttons.
This adjustment is made automatically when the Auto Adjust
is turned on.
Clock ............
Use this item to fine tune the computer image or to remove any
vertical banding that might appear. This function adjusts the clock
frequencies that eliminate the horizontal banding in the image.
Press the  and  buttons until the banding disappears.
This adjustment may be necessary when you connect your
computer for the first time. This adjustment is made auto-
matically when the Auto Adjust is turned on.
Phase ........... Use this item to adjust the clock phase or to reduce video
noise, dot interference or cross talk. (This is evident when
part of your image appears to be shimmering.) Use the 
and  buttons to adjust the image.
See "Auto Adjust (RGB Only) on page E-38 for turning on or off the
Auto Adjust feature.
Use "Phase" only after the "Clock" is complete.
This adjustment is made automatically when the Auto Adjust is turned on.
Resolution (when Auto Adjust is off)All Data ............... Reset all the adjustments and settings for all the signals
to the factory preset.
Current Signal ..... Resets the adjustments for the current signal to the fac-
tory preset levels.
All the items in ”Picture”, ”Advanced Options” and “Color Management”
can be reset.
NOTE: The Volume, Keystone, Lamp Mode and all the items in the ProjectorOptions can be reset only when All Data is selected.
Color Management
This allows you to adjust the white balance. Brightness for each color
(RGB)is used to adjust the black level of the screen;
Contrast for each color (RGB) to adjust the white level of the screen.
First use the 
 or  buttons to select R, G, or B for the brightness and
the contrast. Next use the 
 or  buttons to adjust the level. 
						

							E – 36
Menu
Allows you to set preferences for the on-screen menu.
Press “OK” to save your changes for all the features of Page1 and
Page2.
[Page1]
Projector OptionsMenu Display Time :
This option allows you to select how long the projector waits after
the last touch of a button to turn off the menu.
The preset choices are "Manual", "Auto 5 sec", "Auto 15 sec", and
"Auto 45 sec". The "Auto 45 sec" is the factory preset.
Manual ......... The menu can be turned off manually.
Auto 5 sec .... The menu will automatically be turned off in 5 seconds if no
buttons are pressed within 5 seconds.
Auto  15  sec .. The menu will automatically be turned off in 15 seconds if no
buttons are pressed within 15 seconds.
Auto  45  sec .. The menu will automatically be turned off in 45 seconds if no
buttons are pressed within 45 seconds.
NOTE: If no buttons on the remote control are pressed within 10 seconds, the PJ button’s
light goes out to indicate that you are in the Computer mode. To enable the projector
menu operation again, press the PJ button again to light red.
Menu Mode:
This feature allows you to select two menu modes: Advanced Menu
and Basic/Custom Menu.
Advanced Menu ..........This is the menu that contains all the available menus
and commands.
Basic/Custom Menu .... This is the menu that you can customize using the
Basic/Custom Menu Edit to fit your needs.
The factory default Basic/Custom menu includes:
Source Select (RGB [DVI (DIGITAL) / DVI (ANALOG) on LT158], Video, S-
Video and PC Card Viewer), Picture, Volume, Image Options (Keystone),
Projector Options (Menu and Setup), Tools (Capture, PC Card Files and
ChalkBoad) and Help (Contents and Information). See page E-29 for in-
structions about how to customize the Basic/Custom Menu.
Language:
You can choose one of seven languages for on-screen instructions.
The options are: English, German, French, Italian, Spanish, Swed-
ish and Japanese.
Projector Pointer:
This enables you to select from eight different Pointer icons for the
"Pointer" button on your remote control.
After moving your Pointer icon to the area you want on the screen,
press the Magnify button on the remote control to enlarge the se-
lected area on the screen. See page E-28 for more details.
NOTE: There may be cases where the Pointer function is not available (ex. anon-interlace signal at 15kHz such as video game.)
Message:You can choose the desired information to be displayed on the screen.
On ................ The message will be displayed.
Off ................ The message will not be displayed.
Source Display: You can turn on and off the information for input
name such as VIDEO and RGB.
When this option is on, the current input will be displayed each time
you switch sources or turn on the projector.
No Input: This option turns on or off the "No Input" message to be
displayed in the top right corner on the screen.
Clean Filter: This option turns on or off the "Please clean the fil-
ters" message each time you turn on the projector if the projector
has been used in excess of 100 hours of use.
To reset the filter usage, see page E-38.
Direct Button:
Volume Bar: This option turns on or off the volume bar when you adjust
the sound volume using VOLUME +/– button on the remote control.
On ................ You can increase or decrease the sound volume with the vol-
ume bar on screen.
Off ................ You can increase or decrease the sound volume without hav-
ing to use the volume bar.
Keystone Bar: This option turns on or off the keystone bar when you ad-
just the keystone using KEYSTONE +/– button on the remote control.
On ................ You can increase or decrease the level with the keystone bar
on screen.
Off ................ You can increase or decrease the level without having to use
the keystone bar. [Page2]